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CVE-2023-28121

89
FAUCET Score

CVE-2023-28121 is a critical vulnerability in the WooCommerce Payments plugin for WordPress, affecting versions 5.6.1 and lower. This flaw allows an unauthenticated attacker to impersonate an elevated user, such as an administrator, to gain full administrative access to the compromised WordPress site. With a CVSS score of 9.8 (CRITICAL) and an EPSS score indicating high exploitability, this vulnerability presents a severe risk. Exploit intelligence confirms the existence of public exploit modules, including Metasploit and Nuclei templates, and media coverage indicates active exploitation in the wild. The significant community discussion and media attention highlight the urgency of patching this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.8.0, < 4.8.2CPE matchmatch criteria
cpe:2.3:a:automattic:woocommerce_payments:*:*:*:*:*:wordpress:*:*
>= 5.0.0, < 5.0.4CPE matchmatch criteria
cpe:2.3:a:automattic:woocommerce_payments:*:*:*:*:*:wordpress:*:*
>= 5.1.0, < 5.1.3CPE matchmatch criteria
cpe:2.3:a:automattic:woocommerce_payments:*:*:*:*:*:wordpress:*:*
>= 5.2.0, < 5.2.2CPE matchmatch criteria
cpe:2.3:a:automattic:woocommerce_payments:*:*:*:*:*:wordpress:*:*
>= 5.5.0, < 5.5.2CPE matchmatch criteria
cpe:2.3:a:automattic:woocommerce_payments:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
86.92%
Probability of exploitation in next 30 days
EPSS Percentile
99.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Wordpress Plugin WooCommerce Payments Unauthenticated Admin Creation · Mar 22, 2023
Nuclei: CVE-2023-28121 · Jul 3, 2023
This CVE's current EPSS score of 0.8692 is in the 99th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

developer.woocommerce.com / 2023/03/23/critical-vulnerability-detected-in-woocommerce-payments-what-you-need-to-know
Vendor Advisory
rcesecurity.com / 2023/07/patch-diffing-cve-2023-28121-to-compromise-a-woocommerce